At Sakura App Studio ("we", "us", "our"), we build calm, beautiful learning apps and take your privacy seriously. This policy explains what we collect, why we collect it, and the control you have over your data. It applies to all of our apps and this website.
1. Information we collect
- Account details — such as your email address and display name when you create an account.
- Content you provide — uploaded PDFs, images, notes, OCR text, generated answers, and learning progress, depending on the app you use.
- Usage & preferences — app settings, streaks, study progress, and subscription status.
- Technical data — basic device and diagnostic information used to keep our apps stable and secure.
2. Why we collect it
- To process your study materials and generate and save your content.
- To sync your notebooks, lessons, and progress across sessions and devices.
- To provide premium and subscription features.
- To improve reliability, performance, and the overall learning experience.
3. Your data, your control
- You can export your content from within the app.
- You can delete individual notebooks, answers, or learning data.
- You can request full account and data deletion at any time.
- Your data is isolated per authenticated user account.
4. How we protect it
- Firebase Authentication secures your identity.
- Firestore and Cloud Storage security rules enforce per-user isolation.
- Sensitive keys and credentials are kept server-side, never in the app.
5. Third-party services
We rely on trusted providers such as Google Firebase (authentication, database, storage, analytics) and Google Play Billing for subscriptions. These services process data under their own privacy policies and our security configuration.
6. Children's privacy
Our apps are intended for general learning audiences. We do not knowingly collect personal information from children in a manner that conflicts with applicable law. If you believe a child has provided us data, contact us and we will remove it.
7. Changes to this policy
We may update this policy as our apps evolve. Material changes will be reflected here with an updated date.
8. Contact us
Questions about your privacy? Reach us anytime at sakura.appstudio@gmail.com and we'll be happy to help.
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